Sergio Viera
NPI 1265810964 · Adult Medicine Physician · Gardena, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sergio Viera is a Adult Medicine Physician provider in Gardena, CA (NPI 1265810964).
Provider details
- NPI number
- 1265810964
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A151628 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 561 | 297 |
| Amlodipine Besylate | 353 | 200 |
| Lisinopril | 333 | 152 |
| Losartan Potassium | 273 | 137 |
| Metformin Hcl | 239 | 100 |
| Meloxicam | 184 | 130 |
| Rosuvastatin Calcium | 179 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-13
- Last updated
- 2021-11-30
Frequently asked questions
- What is Sergio Viera's NPI number?
- Sergio Viera's National Provider Identifier (NPI) is 1265810964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergio Viera's specialty?
- Sergio Viera is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sergio Viera located?
- Sergio Viera's practice location on file with NPPES is 18600 S Figueroa St, Gardena, CA 90248-4505.
- What is Sergio Viera's phone number?
- The practice phone number listed in the NPPES registry for Sergio Viera is (833) 574-2273.
- Does Sergio Viera accept Medicare?
- Sergio Viera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sergio Viera's NPI active?
- Yes — Sergio Viera's NPI (1265810964) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.